// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/compositor/test/test_utils.h"

#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/transform.h"

namespace ui {

//TODO(avallee): Make this into a predicate and add some matrix pretty printing.
void CheckApproximatelyEqual(const gfx::Transform& lhs,
    const gfx::Transform& rhs)
{
    unsigned int errors = 0;
    for (int i = 0; i < 4; ++i) {
        for (int j = 0; j < 4; ++j) {
            EXPECT_FLOAT_EQ(lhs.matrix().get(i, j), rhs.matrix().get(i, j))
                << "(i, j) = (" << i << ", " << j << "), error count: " << ++errors;
        }
    }

    if (errors) {
        ADD_FAILURE() << "Expected matrix:\n"
                      << lhs.ToString() << "\n"
                      << "Actual matrix:\n"
                      << rhs.ToString();
    }
}

void CheckApproximatelyEqual(const gfx::Rect& lhs, const gfx::Rect& rhs)
{
    EXPECT_FLOAT_EQ(lhs.x(), rhs.x());
    EXPECT_FLOAT_EQ(lhs.y(), rhs.y());
    EXPECT_FLOAT_EQ(lhs.width(), rhs.width());
    EXPECT_FLOAT_EQ(lhs.height(), rhs.height());
}

} // namespace ui
